Table 4 Base cation–P ratios (in moles per moles) in the two forest sites studied
From: Comparison of P and cation cycling in two contrasting seasonally dry forest ecosystems
Tropical dry forest (TDF) | Mediterranean temperate forest (MTF) | |||||
|---|---|---|---|---|---|---|
Ca–P | K–P | Mg–P | Ca–P | K–P | Mg–P | |
Inputs–outputs | ||||||
Ratios in bulk deposition | 14.5 | 6.4 | 6.4 | 36.7 | 10.9 | 12.7 |
Ratios in runoff waters | 67.0 | 37.0 | 38.2 | 30.0 | 15.8 | 20.7 |
Ratios outputs–inputs | 4.6 | 5.7 | 6.0 | 0.8 | 1.5 | 1.6 |
Intra-system cycling | ||||||
Ratios in leaves | 5.3 | 4.3 | 2.2 | 3.9 | 6.4 | 3.0 |
Ratios in litterfalls | 23.2 | 4.8 | 5.3 | 8.7 | 3.0 | 4.0 |
Ratio litterfall–leaf | 4.4 | 1.1 | 2.4 | 2.2 | 0.5 | 1.3 |
Ratios in forest stand litter | 38.1 | 3.8 | 5.8 | 9.9 | 1.3 | 3.3 |
Ratios litter–litterfall | 1.6 | 0.8 | 1.1 | 1.1 | 0.4 | 0.8 |
Ratios in soils (base cation–available P) | 211 | 20.2 | 90.2 | 44.2 | 31.5 | 22.1 |